10891379 has 2 divisors, whose sum is σ = 10891380. Its totient is φ = 10891378.

The previous prime is 10891337. The next prime is 10891399. The reversal of 10891379 is 97319801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10891379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10891399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5445689 + 5445690.

It is an arithmetic number, because the mean of its divisors is an integer number (5445690).

Almost surely, 2^10891379 is an apocalyptic number.

10891379 is a deficient number, since it is larger than the sum of its proper divisors (1).

10891379 is an equidigital number, since it uses as much as digits as its factorization.

10891379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 10891379 is about 3300.2089327799. The cubic root of 10891379 is about 221.6635530747.

The spelling of 10891379 in words is "ten million, eight hundred ninety-one thousand, three hundred seventy-nine".